<template>
  <div class="dv-border-box-5" ref="borderBox5">
    <svg :class="`dv-border-svg-container  ${reverse && 'dv-reverse'}`" :width="width" :height="height">
      <polygon :fill="backgroundColor" :points="`
        10, 22 ${width - 22}, 22 ${width - 22}, ${height - 86} ${width - 84}, ${height - 24} 10, ${height - 24}
      `" />

      <polyline
        class="dv-bb5-line-1"
        :stroke="mergedColor[0]"
        :points="`8, 5 ${width - 5}, 5 ${width - 5}, ${height - 100}
          ${width - 100}, ${height - 5} 8, ${height - 5} 8, 5`"
      />
      <polyline
        class="dv-bb5-line-2"
        :stroke="mergedColor[1]"
        :points="`3, 5 ${width - 20}, 5 ${width - 20}, ${height - 60}
          ${width - 74}, ${height - 5} 3, ${height - 5} 3, 5`"
      />
      <polyline class="dv-bb5-line-3" :stroke="mergedColor[1]" :points="`50, 13 ${width - 35}, 13`" />
      <polyline class="dv-bb5-line-4" :stroke="mergedColor[1]" :points="`15, 20 ${width - 35}, 20`" />
      <polyline class="dv-bb5-line-5" :stroke="mergedColor[1]"
                :points="`15, ${height - 20} ${width - 110}, ${height - 20}`" />
      <polyline class="dv-bb5-line-6" :stroke="mergedColor[1]"
                :points="`15, ${height - 13} ${width - 110}, ${height - 13}`" />
    </svg>

    <div class="border-box-content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
  import { cloneDeep, debounce, mergeDeep } from "../../../../utils/utils";
  import {defineComponent, onMounted, ref, watch } from "vue";

  export default defineComponent({
    name: "DvBorderBox5",
    props: {
      color: {
        type: Array,
        default: () => ([])
      },
      reverse: {
        type: Boolean,
        default: false
      },
      backgroundColor: {
        type: String,
        default: "transparent"
      }
    },
    setup(props) {
      const borderBox5 = ref(null);
      const defaultColor = ref(["red", "rgba(0,0,255,0.8)"]);
      const mergedColor = ref([]);
      const width = ref(300);
      const height = ref(300);
      const mergeColor = () => {
        mergedColor.value = mergeDeep(cloneDeep(defaultColor.value), props.color || []);
      };
      watch(() => props.color, s => {
        mergeColor();
      });
      onMounted(() => {
        const ro = new ResizeObserver(entries => {
          handleResize(entries);
        });
        ro.observe(borderBox5.value);
        mergeColor();
      });
      const handleResize = debounce((entries) => {
        width.value = entries[0].contentRect.width;
        height.value = entries[0].contentRect.height;
      }, 100);
      return { width, height, borderBox5, mergedColor, mergeColor, handleResize, defaultColor, };
    },
  });
</script>

<style scoped>
  .dv-border-box-5 {
    position: relative;
    width: 100%;
    height: 100%;
  }

  .dv-border-box-5 .dv-reverse {
    transform: rotate(180deg);
  }

  .dv-border-box-5 .dv-border-svg-container {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
  }

  .dv-border-box-5 .dv-border-svg-container > polyline {
    fill: none;
  }

  .dv-border-box-5 .dv-bb5-line-1,
  .dv-border-box-5 .dv-bb5-line-2 {
    stroke-width: 1;
  }

  .dv-border-box-5 .dv-bb5-line-3,
  .dv-border-box-5 .dv-bb5-line-6 {
    stroke-width: 5;
  }

  .dv-border-box-5 .dv-bb5-line-4,
  .dv-border-box-5 .dv-bb5-line-5 {
    stroke-width: 2;
  }

  .dv-border-box-5 .border-box-content {
    position: relative;
    width: 100%;
    height: 100%;
  }
</style>
